1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
|
import { LibtoolVersion } from "@gnu-taler/taler-util";
import { ErrorType, HttpError, HttpResponseServerError, RequestError, useApiContext } from "@gnu-taler/web-util/browser";
import { useEffect, useState } from "preact/hooks";
import { getInitialBackendBaseURL } from "./backend.js";
/**
* Protocol version spoken with the bank.
*
* Uses libtool's current:revision:age versioning.
*/
export const BANK_INTEGRATION_PROTOCOL_VERSION = "0:0:0";
async function getConfigState(
request: ReturnType<typeof useApiContext>["request"],
): Promise<SandboxBackend.Config> {
const url = getInitialBackendBaseURL();
const result = await request<SandboxBackend.Config>(url, `config`);
return result.data;
}
export type ConfigResult = undefined
| { type: "ok", result: Required<SandboxBackend.Config> }
| { type: "wrong", result: SandboxBackend.Config }
| { type: "error", result: HttpError<SandboxBackend.SandboxError> }
export function useConfigState(): ConfigResult {
const [checked, setChecked] = useState<ConfigResult>()
const { request } = useApiContext();
useEffect(() => {
getConfigState(request)
.then((result) => {
const r = LibtoolVersion.compare(BANK_INTEGRATION_PROTOCOL_VERSION, result.version)
if (r?.compatible) {
const complete: Required<SandboxBackend.Config> = {
currency_fraction_digits: result.currency_fraction_digits ?? 2,
currency_fraction_limit: result.currency_fraction_limit ?? 2,
fiat_currency: "",
have_cashout: result.have_cashout ?? false,
name: result.name,
version: result.version,
}
setChecked({ type: "ok", result: complete });
} else {
setChecked({ type: "wrong", result })
}
})
.catch((error: unknown) => {
if (error instanceof RequestError) {
const result = error.cause
setChecked({ type: "error", result });
}
});
}, []);
return checked;
}
|